CREATE DATABASE IF NOT EXISTS help_desk;
USE help_desk;

CREATE TABLE IF NOT EXISTS users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    nombre VARCHAR(100) NOT NULL,
    email VARCHAR(100) NOT NULL UNIQUE,
    password VARCHAR(255) NOT NULL,
    rol ENUM('admin', 'agent', 'client') DEFAULT 'client',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS departments (
    id INT AUTO_INCREMENT PRIMARY KEY,
    nombre VARCHAR(100) NOT NULL,
    descripcion TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS tickets (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    department_id INT,
    asunto VARCHAR(200) NOT NULL,
    mensaje TEXT NOT NULL,
    status ENUM('abierto', 'en_progreso', 'cerrado') DEFAULT 'abierto',
    prioridad ENUM('baja', 'media', 'alta', 'critica') DEFAULT 'media',
    assigned_to INT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (department_id) REFERENCES departments(id) ON DELETE SET NULL,
    FOREIGN KEY (assigned_to) REFERENCES users(id) ON DELETE SET NULL
);

CREATE TABLE IF NOT EXISTS ticket_respuestas (
    id INT AUTO_INCREMENT PRIMARY KEY,
    ticket_id INT NOT NULL,
    user_id INT NOT NULL,
    mensaje TEXT NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (ticket_id) REFERENCES tickets(id) ON DELETE CASCADE,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);

INSERT INTO departments (nombre, descripcion) VALUES
('Soporte Técnico', 'Problemas técnicos y de software'),
('Facturación', 'Problemas de facturación y pagos'),
('Ventas', 'Consultas sobre ventas y productos'),
('General', 'Consultas generales');

INSERT INTO users (nombre, email, password, rol) VALUES
('Admin', 'admin@helpdesk.com', '$2b$10$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36PQm4sEPhMNPfFhpYN76eO', 'admin');
-- Password: 123456